I write this on the eve of my first meeting of the Holme Valley Parish Council Climate Emergency Steering Group [HVPCCESG], a meeting I shall be attending as the newly elected Councillor for the Netherthong [more…]
– Astrophysicists have succeeded in decoding Solar activity and the results show that climate scientists have some questions to answer. There is an interesting collision about to take place between astrophysics and climate science. This [more…]
Melting a hole through steel: The above image needs a little explanation! The Doc messed up his camera settings and under exposed the image. So I loaded it into Gimp and played with the curves [more…]
The Doc’s ruby laser focused onto a lighter flint. The flint has been glued to the end of a match stick. The ‘explosion’ measures approximately 4 inches diameter. Interesting things to note are the ‘candy [more…]
More information on laser speckle can be found here: Speckle pattern A Mirror Alignment Tool The most important part of constructing a ruby laser (or any laser with external mirrors) are getting the mirrors alligned [more…]
(a ruby rod lit by two bright blue LEDs. Due to the IR filter in my camera the pink colour is actually red. What you are seeing is the absorption of the blue light and the [more…]
Introduction For many years the Doc has had the desire to attempt the construction of a ruby laser. After six months of hard work, disappointment, late nights, lots of booze and a drained bank account [more…]
It was another hot morning in Fremantle, Western Australia in early January. Forecast for 36 degrees Celsius, 97 in old money. “Gonna be a scorcher, Geek-o!”, said my benevolent host and long-time friend Mike, whom [more…]
When I was a young boy, I hated flying. I mean, really hated it. I think it was due to a traumatic flying experience on a transatlantic flight to Florida in a 747, back in [more…]
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